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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
74 lines
2.4 KiB
C++
74 lines
2.4 KiB
C++
// Created on: 1992-01-20
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// Created by: Remi GILET
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// Copyright (c) 1992-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Geom2dAdaptor_Curve.hxx>
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#include <Geom2dGcc_CurveTool.hxx>
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#include <Geom2dGcc_FunctionTanObl.hxx>
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#include <gp_Dir2d.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec2d.hxx>
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Geom2dGcc_FunctionTanObl::
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Geom2dGcc_FunctionTanObl(const Geom2dAdaptor_Curve& C,
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const gp_Dir2d& Dir )
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{
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TheCurv = C;
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TheDirection = Dir;
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}
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Standard_Boolean Geom2dGcc_FunctionTanObl::
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Value (const Standard_Real X,
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Standard_Real& Fval ) {
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gp_Pnt2d Point;
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gp_Vec2d Vect;
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Geom2dGcc_CurveTool::D1(TheCurv,X,Point,Vect);
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Standard_Real NormeD1 = Vect.Magnitude();
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Fval = TheDirection.XY().Crossed(Vect.XY())/NormeD1;
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return Standard_True;
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}
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Standard_Boolean Geom2dGcc_FunctionTanObl::
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Derivative (const Standard_Real X,
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Standard_Real& Deriv )
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{
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gp_Pnt2d Point;
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gp_Vec2d Vec1;
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gp_Vec2d Vec2;
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Geom2dGcc_CurveTool::D2(TheCurv,X,Point,Vec1,Vec2);
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Standard_Real NormeD1 = Vec1.Magnitude();
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Deriv = TheDirection.XY().Crossed(Vec2.XY())/NormeD1-
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Vec1.XY().Dot(Vec2.XY())*TheDirection.XY().Crossed(Vec1.XY())/NormeD1;
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return Standard_True;
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}
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Standard_Boolean Geom2dGcc_FunctionTanObl::
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Values (const Standard_Real X ,
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Standard_Real& Fval ,
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Standard_Real& Deriv ) {
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gp_Pnt2d Point;
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gp_Vec2d Vec1;
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gp_Vec2d Vec2;
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Geom2dGcc_CurveTool::D2(TheCurv,X,Point,Vec1,Vec2);
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Standard_Real NormeD1 = Vec1.Magnitude();
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Fval = TheDirection.XY().Crossed(Vec1.XY())/NormeD1;
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Deriv = TheDirection.XY().Crossed(Vec2.XY())/NormeD1-
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Vec1.XY().Dot(Vec2.XY())*TheDirection.XY().Crossed(Vec1.XY())/NormeD1;
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return Standard_True;
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}
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